CHST - Construction Health and Safety Technician Hazards and PPE 1

Question 1

Which OSHA standard governs the use of personal protective equipment in construction, including requirements for employer-provided PPE?

Accepted Answer

29 CFR 1926.95

Answer

29 CFR 1910.132

Answer

29 CFR 1926.59

Answer

29 CFR 1910.1000

Question 2

A construction worker is cutting concrete in an enclosed space with limited ventilation. Beyond silica dust controls, which additional hazard must be assessed and managed?

Accepted Answer

Oxygen deficiency and carbon monoxide from equipment exhaust

Answer

Ultraviolet radiation from overhead lighting

Answer

Electromagnetic interference from power tools

Answer

Bloodborne pathogen exposure from concrete abrasion

Question 3

Which class of hard hat provides both impact protection and electrical insulation up to 20,000 volts?

Accepted Answer

Class B

Answer

Class A

Answer

Class C

Answer

Class E

Question 4

What is the correct sequence for donning a chemical-resistant suit when handling hazardous materials on a construction site?

Accepted Answer

Respirator first, then suit, then outer gloves, then boots

Answer

Gloves first, then suit, then respirator, then boots

Answer

Boots first, then inner gloves, then suit, then respirator

Answer

Suit first, then boots, then gloves, then respirator last

Question 5

On a construction site where workers are exposed to total noise levels of 95 dBA for an 8-hour shift, what is the maximum allowable exposure duration per OSHA's noise standard before hearing protection becomes mandatory?

Accepted Answer

4 hours

Answer

8 hours

Answer

6 hours

Answer

2 hours

Question 6

Which hazard control measure represents the highest level of protection in the hierarchy of controls when addressing airborne chemical hazards on a construction site?

Accepted Answer

Substituting a less hazardous chemical for the one in use

Answer

Providing workers with supplied-air respirators

Answer

Installing local exhaust ventilation at the point of generation

Answer

Implementing administrative rotation schedules to limit exposure time